Browsing Research Articles [CoCSE] by Issue Date

Now showing items 1-20 of 211

    • Genetic Algorithm Optimization for Broadband Patch Antenna Design 

      Michael, Kisangiri; Kucharski, Andrzej A. (IEEE, 2007-10-15)
      A genetic algorithm (GA) optimization design of patch antenna has been performed using surface integral equation (SIE), method-of-moments (MoM) solution. The electromagnetic engine procedure is based on the Matlab code by ...

    • GA/MoM optimization of PIFA antennas with meandering slits 

      Michael, K.; Kucharski, A. A. (IET Digital Library, 2007-11-16)
      The optimization of a mobile antenna by genetic algorithm (GA) can be done in many ways, e.g. by random removal of rectangles on the patch radiator, movement of shorting patches, etc. In this paper we will demonstrate the ...

    • Optimization of Multiple-Short PIFA for Broadband Communication 

      Michael, Kisangiri; Kucharski, Andrzej A. (IEEE, 2007-12-26)
      As wireless systems gain wider acceptance and enjoy increased application, performance and cost constraints on the wireless system antennas become more difficult to meet. In this context, antennas that are small in size, ...

    • Genetic algorithm optimization for multiband patch antenna design 

      Michael, Kisangiri; Kucharski, Andrzej A. (IEEE, 2008-08-01)
      A combined method of moment (MoM)/genetic algorithm (GA) numerical procedure for achieving mulitband-frequency characteristics in patch antenna design is demonstrated in this paper. Method of moment (MoM) solution used in ...

    • Deign of Low Cost Blood Pressure and Body Temperature interface 

      Mazima, Johevajile K.N; Michael, Kisangiri; Machuve, Dina (International Journal of Emerging Science and Engineering (IJESE), 2013-08)
      The objective of this work is to design a non-intrusive, accurate, and low cost biomedical sensor interface for processing blood pressure and body temperature vital signs. The work purposely deals with the signal conditioning ...

    • Survey on Intelligent Transport System (ITS) application for vehicle speed limit monitoring and accident reporting: A case study of Tanzania 

      Kusyama, Sadiki Lameck; Michael, Kisangiri; Machuve, Dina (International Journal of Engineering And Computer Science, 2013-08)
      Today’s transport system has evolved from horse driven carriages and paved roads to a more complex road transport system made up of a variety of vehicles and other infrastructure, all put in place in order to support safe ...

    • Design of ECG Sensor Interface for Biosignal Extraction 

      Mazima, Johevajile; Michael, Kisangiri; Machuve, Dina (International Journal of Innovative Technology and Exploring Engineering (IJITEE), 2013-08)
      The main objective of this paper is to propose the design of a sensor interface for gathering biosignal. This signal is acquired from the patient’s body by the ECG sensor. The interface includes the instrumentation ...

    • Automatic vehicle over speed, accident alert and locator system for public transport (Buses) A case study of Tanzania 

      Kusyama, Sadiki Lameck; Michael, Kisangiri; Machuve, Dina (International Journal Of Engineering And Computer Science, 2013-08)
      Over speed limit violation done by public transport (buses) is a common problem in most of major roads in Tanzania. This has been reported to be one of the traffic accident causes in Tanzania. Moreover road accidents in ...

    • Review on network performance: Meaning, quantification and measurement 

      Kigodi, Omari J.; Michael, Kisangiri; Machuve, Dina (Journal of Internet and Information Systems, 2013-09)
      This paper surveys various literatures on network performance with main focus on three main issues: its meaning, quantification and measurement. The essence of performance in communication systems is discussed and its ...

    • Analysis of the Impact of Electromagnetic Radiations from Cell Phones on Male Sperm Infertility 

      Kibona, Lusekelo; Swagarya, Godbless; Michael, Kisangiri (International Journal of Scientific and Research Publications, 2013-11)
      Tanzania telecommunication sector has witnessed fast growth in the number of mobile telephone users now served by seven cellular operators. Until February 2012, there were about 26 million mobile phone subscribers served ...

    • Vehicle Plate Number Detection and Recognition Using Improved Algorithm 

      Munuo, Cosmo H.; Michael, Kisangiri; Nvungi, Nerey H. (Computer Engineering and Intelligent Systems, 2014)
      The growing Tanzanian population currently estimated to be 48 Million people and their use of vehicles as means of transport has kept increasing making enforcing traffic rules and regulations among road users a major ...

    • A Step on Developing Network Monitoring Tools 

      Kijazi, Ahmed; Michael, Kisangiri (Computer Engineering and Intelligent Systems, 2014)
      Network Monitoring involves Using Software or hardware based Systems or a combination of both to constantly observe the status of network devices and hosts, and notifies the network administrator via email, SMS or ...

    • Designing and Simulation of an Automated Irrigation Management System Deployed by using Wireless Sensor Networks (WSN) 

      Haule, Joseph; Michael, Kisangiri (Journal of Electronics and Communication Engineering, 2014)
      Wireless Sensor Networks (WSN) is currently an active research area due to its exciting technology and potential in different applications. The advantages of wireless transmission are significant reduction and simplification ...

    • Comparison of Empirical Propagation Path Loss Models for Mobile Communication 

      Mollel, Michael; Michael, Kisangiri (Computer Engineering and Intelligent Systems, 2014)
      Empirical propagation models have found favor in both research and industrial communities owing to their speed of execution and their limited reliance on detailed knowledge of the terrain. In mobile communication the accuracy ...

    • An Overview of Various Propagation Model for Mobile Communication 

      Mollel, Michael; Michael, Kisangiri (Pan African International Conference on Information Science, Computing and Telecommunications, 2014)
      System’s propagation characteristics through a medium is one of the important task to be done before planning and optimization of any network in order to estimate the signal parameter accurately for mobile system. Propagation ...

    • Mathematical model for the effects of treatment and vaccination controls on the dynamics of rotavirus disease with reference to Uganda 

      Namawejje, Hellen; Luboobi, Livingstone; Kuznetsov, Dmitry; Wobudeya, Eric (SCIK Publishing Corporation, 2014)
      In this paper, while Rotavirus has been a recognised disease for a long time in developing countries like Uganda, the control of this endemic disease is still a challenge. We formulated a mathematical model for the dynamics ...

    • Agricultural Market Information Services in Developing Countries: A Review 

      Magesa, Mawazo M.; Michael, Kisangiri; Ko, Jesuk (Advances in Computer Science: an International Journal, 2014-05)
      Access to agricultural markets and marketing information are essential factors in promoting competitive markets and improving agricultural sector development. The agricultural sector employs majorities in developing countries ...

    • Vehicle Number Plates Detection and Recognition using improved Algorithms: A Review with Tanzanian Case study 

      Munuo, Cosmo H.; Michael, Kisangiri (International Journal Of Engineering And Computer Science, 2014-05)
      Invented in 1976, Number Plates Recognition (NPR) has since found wide commercial applications, making its research prospects challenging and scientifically interesting. A complete NPR system functions by vz steps, license ...

    • Review of Security Frameworks in the Converged Web and Mobile Applications 

      Nyambo, Devotha; Yonah, Zaipuna O.; Tarimo, Charles (International Journal of Computer and Information Technology, 2014-07)
      As the Internet access is becoming pervasive there is an increasing number of mobile applications users. Enterprises are now reaching a diversified number of customers through the use of Web and mobile applications. However, ...

    • Radiation Safety of handheld mobile phones 

      Michael, Kisangiri (IEEE, 2014-07)
      The study of electromagnetic radiation from mobile phone antenna towards human head is presented in this paper. The simulation of radiation emission of Dual band PIFA for GSM and Quadrifillar Helix Antenna for satellite ...